WO2019208902A1 - Dispositif de transmission d'énergie sans fil, et dispositif électronique destiné à la réception d'énergie sans fil et procédé de fonctionnement associé - Google Patents

Dispositif de transmission d'énergie sans fil, et dispositif électronique destiné à la réception d'énergie sans fil et procédé de fonctionnement associé Download PDF

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Publication number
WO2019208902A1
WO2019208902A1 PCT/KR2018/016556 KR2018016556W WO2019208902A1 WO 2019208902 A1 WO2019208902 A1 WO 2019208902A1 KR 2018016556 W KR2018016556 W KR 2018016556W WO 2019208902 A1 WO2019208902 A1 WO 2019208902A1
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WIPO (PCT)
Prior art keywords
communication
electronic device
information
frequency
wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/016556
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English (en)
Korean (ko)
Inventor
박재석
위상혁
유영호
박성범
여성구
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020180158902A external-priority patent/KR102607364B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to CN201880092817.2A priority Critical patent/CN112106275B/zh
Priority to US16/969,091 priority patent/US11355970B2/en
Priority to EP18916499.9A priority patent/EP3742580B1/fr
Publication of WO2019208902A1 publication Critical patent/WO2019208902A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices

Definitions

  • Various embodiments of the present disclosure relate to a wireless power transmitter and an electronic device for wirelessly receiving power, and a method of operating the same, and more particularly, to a wireless power transmitter and an electronic device for wirelessly receiving power. It relates to the operation method.
  • Wireless power transmission includes magnetic induction, magnetic resonance, and electromagnetic waves.
  • Magnetic induction or magnetic resonance is advantageous for charging an electronic device located at a relatively short distance from a wireless power transmission device.
  • the electromagnetic wave method is more advantageous for long distance power transmission of several m to the magnetic induction or the magnetic resonance method.
  • Electromagnetic wave method is mainly used for long distance power transmission, and can locate power receiver in remote place and transmit power most efficiently.
  • An electronic device that wirelessly receives power based on an electromagnetic wave method may receive power wirelessly by converting a radio frequency (RF) wave formed from the wireless power transmitter into electrical energy. Meanwhile, the electronic device may communicate with another electronic device. In this case, when the frequency of the RF wave and the frequency for communication with other electronic devices are close to each other, the RF wave and the communication signal may interfere with each other. Due to the interference of the RF wave and the communication signal, the data throughput of the communication signal may be lowered, or the efficiency of wireless charging may be lowered.
  • RF radio frequency
  • a wireless power transmitter capable of receiving information about a corresponding communication environment from an electronic device communicating with another electronic device and controlling a transmission condition of an RF wave based on the received information about the communication environment And a method of operating the same.
  • various embodiments may provide an electronic device for transmitting information about a communication environment with another electronic device to a wireless power transmitter and an operation method thereof.
  • an apparatus for transmitting power wirelessly includes a first type communication circuit, a power source for generating a source signal, a power transmission circuit for forming an RF wave based on the source signal, and a control circuit.
  • the circuit receives a communication signal including information on a communication environment according to the second type of communication from the electronic device supporting the first type of communication and the second type of communication through the first type of communication circuit.
  • the controller may be configured to control at least one of a frequency of the source signal generated by the power source or a transmission strength of the RF wave based on the information on the communication environment according to the second type of communication.
  • a method of operating a wireless power transmission apparatus including a first scheme communication circuit, a power source for generating a source signal, a power transmission circuit for forming an RF wave based on the source signal, and a control circuit, Receiving a communication signal including information on a communication environment according to the second type of communication from the electronic device supporting the first type of communication and the second type of communication through the first type of communication circuit, And controlling at least one of a frequency of the source signal generated by the power source or a transmission strength of the RF wave based on the information on the communication environment according to the second type of communication.
  • an electronic device may include: a power receiving circuit configured to convert an RF wave formed from a wireless power transmitter into electrical energy, a first scheme communication circuit configured to perform first scheme communication with the wireless power transmitter; A second mode communication circuit configured to perform second mode communication with an access point, and a control circuit, wherein the control circuit is configured to communicate in accordance with a second mode communication received via the second mode communication circuit; Confirming the reception strength of the signal, confirming a data throughput rate according to the second method communication, or a frequency according to the second method communication, receiving strength of the communication signal according to the second method communication, the The first including at least one of a data transmission rate according to a second method communication or a frequency according to the second method communication; The communication signal according to the scheme communication may be set to be transmitted to the wireless power transmitter through the first scheme communication circuit.
  • a wireless power transmission apparatus includes a first type communication circuit, a second type communication circuit, a power source for generating a source signal, a power transmission circuit for forming an RF wave based on the source signal, and a control circuit.
  • the control circuit is configured to transmit and / or receive at least one first communication signal with an electronic device via the first method communication circuit, and at least one second through the second method communication circuit. Transmitting and / or receiving a communication signal with an electronic device, and based on at least one of the at least one second communication signal or information included in the at least one first communication signal, communication of the second type communication circuit. Confirming the information on the environment and based on the information on the communication environment of the second type communication circuit, the frequency of the source signal generated by the power source Of, or the transmission intensity of the RF waves may be set to control at least one.
  • a wireless power transmission apparatus includes a first type communication circuit, a second type communication circuit, a power source for generating a source signal, a power transmission circuit for forming an RF wave based on the source signal, and a control circuit.
  • the control circuit is configured to transmit and / or receive at least one first communication signal with an electronic device via the first method communication circuit, and at least one second through the second method communication circuit. Transmitting and / or receiving a communication signal with an electronic device, and based on at least one of the at least one second communication signal or information included in the at least one first communication signal, communication of the second type communication circuit. Confirm the information on the environment, and control the communication conditions of the second communication method communication circuit based on the information on the communication environment of the second method communication circuit. It may be set the lock.
  • an apparatus for transmitting power wirelessly includes a first type communication circuit, a power source for generating a source signal, a power transmission circuit for forming an RF wave based on the source signal, and a control circuit.
  • the circuitry controls the power source and the power transmission circuit to transmit a beacon signal for turning on a first scheme communication circuit of the electronic device for wirelessly receiving power, and based on the beacon signal.
  • the power source to receive a communication signal transmitted from the first method communication circuit of the terminal through the first method communication circuit and to transmit an RF wave for charging the electronic device in response to receiving the communication signal. It can be set to control the power transmission circuit.
  • wireless power transmission may receive information about a corresponding communication environment from an electronic device communicating with another electronic device, and control a transmission condition of an RF wave based on the received information about the communication environment.
  • An apparatus and a method of operating the same may be provided.
  • an electronic device for transmitting information about a communication environment with another electronic device to a wireless power transmission device and a method of operating the same may be provided.
  • FIG. 1 is a conceptual diagram illustrating a wireless power transmission system according to various embodiments of the present disclosure.
  • FIG. 2A is a block diagram of a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • 2B is a detailed block diagram of a power transmission circuit and a power reception circuit according to an electromagnetic wave method according to various embodiments of the present disclosure.
  • 3A is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • 3B is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • FIG. 4 is a flowchart illustrating a method of operating a wireless power transmitter according to various embodiments of the present disclosure.
  • FIG. 5 illustrates an example of frequency hopping in accordance with various embodiments.
  • FIG. 6 is a flowchart illustrating a method of operating a wireless power transmitter according to various embodiments of the present disclosure.
  • FIG. 7A and 7B illustrate data formats of communication signals according to various embodiments.
  • FIG. 8 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • 9A is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • 9B is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • FIG. 10 is a flowchart illustrating a method of operating a wireless power transmitter, an electronic device, and a server, according to various embodiments.
  • FIG. 11 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • FIG. 12 is a flowchart illustrating a method of operating a wireless power transmitter, an electronic device, and an AP according to various embodiments of the present disclosure.
  • FIG. 13 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • FIG 14 illustrates an electronic device according to various embodiments of the present disclosure.
  • 15 is a flowchart illustrating a method of operating a wireless power transmitter according to various embodiments of the present disclosure.
  • 16 is a block diagram of an external electronic device and an electronic device according to various embodiments of the present disclosure.
  • 17A is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • 17B is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • 17C is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • 17D is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • FIG. 18 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • 19 is a flowchart illustrating a method of operating a wireless power transmitter, an electronic device, and an AP according to various embodiments of the present disclosure.
  • 20 is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • the expression “device configured to” may mean that the device “can” together with other devices or components.
  • processor configured (or configured to) perform A, B, and C may be implemented by executing a dedicated processor (eg, an embedded processor) to perform its operation, or one or more software programs stored in a memory device. It may mean a general purpose processor (eg, a CPU or an application processor) capable of performing the corresponding operations.
  • the wireless power transmitter or electronic device may be, for example, a smartphone, a tablet PC, a mobile phone, a video phone, an e-book reader, a desktop PC, a laptop PC, a netbook computer, a workstation, It may include at least one of a server, a PDA, a portable multimedia player (PMP), an MP3 player, a medical device, a camera, and a wearable device.
  • Wearable devices may be accessory (e.g. watches, rings, bracelets, anklets, necklaces, eyeglasses, contact lenses, or head-mounted-devices (HMDs), textiles or clothing integrated (e.g.
  • a wireless power transmitter or electronic device may be, for example, a television, a television and a wired cable.
  • Wireless set-top box, DVD (digital video disk) player, audio, refrigerator, air conditioner, vacuum cleaner, oven, microwave, washing machine, air purifier, set-top box, home automation control panel, security control panel, media box And at least one of a game console, an electronic dictionary, an electronic key, a camcorder, an electric vehicle, or an electronic picture frame.
  • the wireless power transmission device or electronic device may include a variety of medical devices (e.g., various portable medical devices (such as blood glucose meters, heart rate monitors, blood pressure meters, or body temperature meters), magnetic resonance angiography (MRA), MRI ( magnetic resonance imaging (CT), computed tomography (CT), imagers, or ultrasounds), navigation devices, global navigation satellite systems (GNSS), event data recorders (EDRs), flight data recorders (FDRs), automotive infotainment Devices, ship electronics (e.g. ship navigation devices, gyro compasses, etc.), avionics, security devices, vehicle head units, industrial or household robots, drones, ATMs in financial institutions, POS point of sales, or Internet of Things devices (e.g.
  • various portable medical devices such as blood glucose meters, heart rate monitors, blood pressure meters, or body temperature meters
  • MRA magnetic resonance angiography
  • CT magnetic resonance imaging
  • CT computed tomography
  • imagers imagers
  • ultrasounds navigation devices
  • GNSS
  • a wireless power transmission device or electronic device is a part of a furniture, building / structure or automobile, an electronic board, an electronic signature receiving device, a projector, or a variety of measurement devices (eg : Water, electricity, gas, or radio wave measuring instrument).
  • the wireless power transmission device or electronic device may be flexible or a combination of two or more of the various devices described above.
  • the wireless power transmission device or the electronic device according to the embodiment of the present document is not limited to the above-described devices.
  • the term user may refer to a person who uses an electronic device or a wireless power transmission device or a device (eg, an artificial intelligence electronic device) that uses an electronic device.
  • FIG. 1 is a conceptual diagram illustrating a wireless power transmission system according to various embodiments of the present disclosure.
  • the apparatus 100 for transmitting power wirelessly may wirelessly transmit power to at least one electronic device 150 or 160.
  • the apparatus 100 for transmitting power wirelessly may include a plurality of patch antennas 111 to 126.
  • the patch antennas 111 to 126 are not limited as long as they are each antennas capable of generating an RF wave. At least one of the amplitude and phase of the RF wave generated by the patch antennas 111 to 126 may be adjusted by the wireless power transmitter 100.
  • the RF wave generated by each of the patch antennas 111 to 126 will be referred to as a sub-RF wave.
  • the apparatus 100 for transmitting power wirelessly may adjust at least one of amplitude and phase of each of the sub-RF waves generated by the patch antennas 111 to 126.
  • sub-RF waves may interfere with each other. For example, at one point the sub-RF waves may constructively interfere with each other, and at another point the sub-RF waves may cancel each other.
  • the sub-RFs from which the patch antennas 111 to 126 are generated may cause the sub-RF waves to constructively interfere with each other at the first point (x1, y1, z1). At least one of the amplitude and phase of each of the waves can be adjusted.
  • the apparatus 100 for transmitting power wirelessly may determine that the electronic device 150 is disposed at the first points x1, y1, and z1.
  • the position of the electronic device 150 may be, for example, a point where the power reception antenna of the electronic device 150 is located.
  • the wireless power transmitter 100 determines the position of the electronic device 150 will be described later in more detail.
  • the apparatus 100 for transmitting power wirelessly may control the patch antennas 111 to 126 such that the sub-RF waves are constructive interference with each other at the first points x1, y1, and z1.
  • controlling the patch antennas 111 to 126 means controlling the magnitude of the signal input to the patch antennas 111 to 126 or adjusting the phase (or delay) of the signal input to the patch antennas 111 to 126. It can mean controlling.
  • beam forming which is a technique for controlling the RF wave to constructively interfere at a specific point.
  • various beamforming methods may be used, as disclosed in US Patent Publication 2016/0099611, US Patent Publication 2016/0099755, US Patent Publication 2016/0100124, and the like.
  • the form of the RF wave formed by beam-forming may be referred to as pockets of energy.
  • the RF wave 130 formed by the sub-RF waves may have a maximum amplitude at the first point (x1, y1, z1), and thus the electronic device 150 receives wireless power with high efficiency. can do.
  • the apparatus 100 for transmitting power wirelessly may detect that the electronic device 160 is disposed at the second points x2, y2, and z2.
  • the apparatus 100 for transmitting power wirelessly may control the patch antennas 111 to 126 such that the sub-RF waves are constructive interference at the second points x2, y2 and z2 to charge the electronic device 160.
  • the RF wave 131 formed by the sub-RF waves may have a maximum amplitude at the second point (x2, y2, z2), and the electronic device 160 may receive wireless power with high transmission efficiency. Can be.
  • the electronic device 150 may be disposed on the right side.
  • the apparatus 100 for transmitting power wirelessly may apply a relatively larger delay to sub-RF waves formed from patch antennas (eg, 114, 118, 122, 126) disposed on the right side. That is, after the sub-RF waves formed from the patch antennas (for example, 111, 115, 119, 123) disposed on the left side are first formed, the patch antennas (for example, 114, 118, 122, 126) disposed on the right side after a predetermined time passes. A sub-RF wave can be generated from.
  • the sub-RF waves may meet simultaneously at the point on the right side, that is, the sub-RF waves at the point on the right side may be constructively interfered.
  • the wireless power transmission apparatus 100 may be substantially connected to the patch antennas (for example, 111, 115, 119, 123) and the patch antennas (for example, 114, 118, 122, 126) on the left side. The same delay can be applied.
  • the wireless power transmitter 100 may have a patch antenna on the left side (eg, 111, 115, 119, 123) more than a patch antenna on the right side (eg, 114, 118, 122, 126).
  • the apparatus 100 for transmitting power wirelessly may oscillate sub-RF waves substantially simultaneously in the patch antennas 111 to 126, and may perform beam-forming by adjusting a phase corresponding to the above-described delay. It can also be done.
  • the apparatus 100 for transmitting power wirelessly may determine the positions of the electronic devices 150 and 160 and cause the sub-RF waves to become constructive interference at the determined position, thereby performing wireless charging with high transmission efficiency.
  • the wireless power transmitter 100 may identify the positions of the electronic devices 150 and 160 according to various methods, and may control the conditions for transmitting the RF wave so that constructive interference may occur at the identified positions. .
  • performing the specific operation of the wireless power transmitter 100 may be included in, for example, the wireless power transmitter 100 (or the electronic device 150). It may mean that the processor performs a specific operation or controls other hardware to perform a specific operation. Alternatively, the wireless power transmitter 100 (or the electronic device 150) performing a specific operation may be, for example, stored in a memory included in the wireless power transmitter 100 (or the electronic device 150). As a stored instruction is executed, it may mean that the processor performs a specific operation or that other hardware performs a specific operation.
  • the apparatus 100 for transmitting power wirelessly may receive a communication signal based on a first communication scheme (eg, BLE communication) from the electronic device 150, and may use the received communication signal.
  • a first communication scheme eg, BLE communication
  • the apparatus 100 for transmitting power wirelessly may include a plurality of communication antennas, and accordingly, may determine a direction in which the electronic device 150 is located based on various methods such as TDOA or FDOA.
  • the wireless power transmitter 100 may check the distance between the wireless power transmitter 100 and the electronic device 150 based on a received signal strength indication (RSSI) of the communication signal.
  • RSSI received signal strength indication
  • the communication signal may include a transmission strength
  • the wireless power transmitter 100 may determine a distance between the wireless power transmitter 100 and the electronic device 150 based on the transmission strength of the communication signal and the reception strength of the communication signal. You can check it.
  • the communication signal may include information on a transmission time point.
  • the apparatus 100 for transmitting power wirelessly may check a time of flight (TOF) of the communication signal based on a transmission time of the communication signal and a time at which the communication signal is received, and may use the wireless power transmission device 100 using the same. And the distance between the electronic device 150 and the electronic device 150.
  • the apparatus 100 for transmitting power wirelessly may identify the location of the electronic device 150 based on vision recognition.
  • the wireless power transmitter 100 may receive information about the location of the electronic device 150 directly from the electronic device 150.
  • the electronic device 150 may identify its location based at least on various indoor positioning methods (eg, indoor positioning method using geomagnetic map data, indoor positioning method using a signal output from an access point). .
  • the electronic device 150 may include the location information of the electronic device 150 in the communication signal and transmit the same to the wireless power transmitter 100, so that the wireless power transmitter 100 may transmit the electronic device 150. You can also check the location.
  • the apparatus 100 for transmitting power wirelessly may receive location information of the electronic device 150 from another electronic device that checks locations of nearby devices. Those skilled in the art will readily understand that there is no limitation on the manner in which the wireless power transmitter 100 determines the location of the electronic device 150.
  • the apparatus 100 for transmitting power wirelessly may control at least one of a plurality of phase shifters or a plurality of attenuators so as to form an RF wave corresponding to the position of the electronic device identified according to the various methods described above. .
  • FIG. 2A is a block diagram of a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the apparatus 100 for transmitting power wirelessly may include at least one of a control circuit 202, a first method communication circuit 203, a memory 205, a power source 206, or a power transmission circuit 209. It may include one.
  • the electronic device 150 may include a control circuit 252, a first type communication circuit 253, a charger 254, a power management integrated circuit (PMIC) 255, and a memory 256. ), A battery 257, a second type communication circuit 258, or a power receiving circuit 259.
  • PMIC power management integrated circuit
  • the power transmission circuit 209 may transmit power to the power reception circuit 259 wirelessly according to an electromagnetic wave method. That is, the power transmission circuit 209 may form the RF wave 270, and the power receiving circuit 259 may convert the RF wave 270 into electrical energy. Detailed configurations of the power transmission circuit 209 and the power receiving circuit 259 will be described in more detail with reference to FIG. 2B.
  • the control circuit 202 may control the power source 206 to control the frequency of the source signal generated by the power source 206.
  • the control circuit 202 may control the frequency of the source signal generated by the power source 206 based on the frequency used by the electronic device 150 by the second type communication circuit 258.
  • the second method communication circuit 258 of the electronic device 150 communicates with another electronic device (eg, an access point (AP) 280) based on the second method (eg, Wi-fi communication method). can do.
  • the second method eg, Wi-fi communication method
  • the Wi-fi communication method may use, for example, a frequency band having 5.0 GHz as a center frequency
  • the RF wave may use a frequency band having 5.8 GHz as a center frequency.
  • the control circuit 202 may determine the frequency of the source signal generated by the power source 206 based on the frequency used by the communication circuit 258 of the second scheme. As one example, the control circuit 202 checks the information on the channel being used by the communication circuit 258 of the second method, and the power source 206 to have a frequency interval corresponding to the channel being used and a frequency interval above the threshold. Can determine the frequency of the source signal.
  • the control circuit 252 communicates a communication signal including information on a frequency used by the second method communication circuit 258 via the first method communication circuit 253 to communicate with the first method of the wireless power transmitter 100. Transmit to circuit 203.
  • the first scheme may be at least one of various short-range communication schemes such as, for example, a Bluetooth tooth scheme, a Bluetooth low energy (BLE) scheme, a Wi-Fi direct scheme, and a Zig-bee scheme. There is no limit to the kind.
  • the control circuit 202 may check the frequency of the second communication method used by the electronic device 150 through the first method communication circuit 203.
  • the control circuit 202 may determine the frequency of the source signal generated by the power source 206 based at least on the association information between the frequency of the second communication scheme and the frequency of the source signal stored in the memory 205.
  • the control circuit 202 is based on the received strength (eg, received signal strength indication (RSSI) and data throughput) of the communication signal received by the second mode communication circuit 258, the power source You may determine the frequency of the source signal that 206 generates.
  • the electronic device 150 transmits the information about the reception strength and the data transmission rate of the communication signal received by the second method communication circuit 258 via the first method communication circuit 253 to the wireless power transmitter. 100 can be transmitted.
  • the control circuit 202 may determine the frequency of the source signal generated by the power source 206 based at least on the correlation information between the frequency of the source signal for the RSSI-specific data rate stored in the memory 205. You can decide.
  • the control circuit 202 may transmit power based on the received strength (eg, received signal strength indication (RSSI)) and data throughput of the communication signal received by the second scheme communication circuit 258.
  • the transmission strength of the RF wave formed in the circuit 209 may be determined.
  • the control circuit 202 may be configured to determine an RF wave formed in the power transmission circuit 209 based at least on association information between transmission strengths of the RF wave with respect to a data rate per RSSI stored in the memory 205. The transmission strength can be determined.
  • the control circuit 202 may control the transmission intensity of the RF wave by controlling at least one amplifier circuit included in the power transmission circuit 209.
  • the control circuit 202 can control the magnitude of the power applied to the power transmission circuit 109 by controlling the magnitude of the bias voltage of the power amplification circuit.
  • the control circuit 202 may adjust the magnitude of the power output from the power source 206 by controlling the duty cycle or frequency of the power output from the power source 206.
  • the control circuit 202 may check the position of the electronic device 150 (for example, the position of the power receiving circuit 259) based on the various methods described above, and control the direction in which the RF wave is formed. have.
  • the control circuit 202 can control the direction in which the RF wave is formed by controlling the phase shifter or the attenuator included in the power transmission circuit 209.
  • the control circuit 202 or the control circuit 252 is a variety of circuits that can perform operations such as a general purpose processor such as a CPU, a minicomputer, a microprocessor, a micro controlling unit (MCU), a field programmable gate array (FPGA), and the like. It can be implemented, and there is no limit to the kind.
  • a general purpose processor such as a CPU, a minicomputer, a microprocessor, a micro controlling unit (MCU), a field programmable gate array (FPGA), and the like. It can be implemented, and there is no limit to the kind.
  • the power receiving circuit 259 may receive power wirelessly from the power transmitting circuit 109 according to an electromagnetic wave method.
  • the power receiving circuit 259 may perform power processing for rectifying the power of the received AC waveform into a DC waveform, converting a voltage, or regulating the power.
  • the PMIC 255 may process the received and processed power to be suitable for hardware, and deliver the received power to each hardware.
  • the control circuit 252 may control the overall operation of the electronic device 150.
  • In the memory 256 instructions for performing overall operations of the electronic device 150 may be stored.
  • the charger 254 may charge the battery 257 using the power received from the power receiving circuit 259.
  • the memory 205 may store instructions for performing an operation of the apparatus 100 for transmitting power wirelessly.
  • the memory 250 stores information about a communication environment according to the second method of the electronic device 150 (eg, the communication signal of the second method communication circuit 258) received through the first method communication circuit 203. At least one of a frequency, RSSI of a communication signal of the second method communication circuit 258, or a data transmission rate of the second method communication circuit 258), and a transmission condition of an RF wave formed in the power transmission circuit 259 ( For example, at least one of a frequency of an RF wave or a transmission strength of an RF wave may be stored.
  • the memory 205 or the memory 256 may be implemented in various forms such as read only memory (ROM), random access memory (RAM), or flash memory, and the like.
  • 2B is a detailed block diagram of a power transmission circuit and a power reception circuit according to an electromagnetic wave method according to various embodiments of the present disclosure.
  • the power source 206 may include a voltage-controlled oscillator (VCO) 211, and a phase looped lock (PLL) circuit 212.
  • the power transmission circuit 209 may include an amplifier circuit 221, a distribution circuit 222, a phase shifter 223, an amplifier circuit 224, and an antenna array 225 for power transmission.
  • the power receiving circuit 259 may include an antenna 261 for receiving power, a rectifying circuit 262, and a converting circuit 263.
  • the VCO 211 may be an oscillator capable of outputting a source signal, and adjust the frequency of the source signal based on the input voltage.
  • the VCO 211 may be implemented in various forms, such as a linear oscillator, a harmonic oscillator (eg, a crystal oscillator, an LC oscillator), a relaxation oscillator, and the like.
  • the PLL circuit 212 can detect the phase difference between the input signal and the output signal, control the phase of the VCO 211 by a voltage proportional to this, and control the phase of the output signal to be the same as the phase of the input signal. . Accordingly, the power source 206 may change the frequency of the source signal to be output under external control, and may allow the source signal to have a stable frequency.
  • the amplifier circuit 221 may amplify a source signal provided from the power source 206 and provide it to the distribution circuit 332.
  • the amplifier circuit 331 may be implemented by various amplifiers such as a drive amplifier (DA), a high power amplifier (HPA), a Gain Block Amplifier (GBA), or a combination thereof, and the implementation is not limited thereto.
  • the distribution circuit 222 may distribute the source signal output from the amplifier circuit 221 into a plurality of sub source signals through a plurality of paths.
  • the distribution circuit 222 is not limited as long as it is a circuit capable of distributing input power or signals in a plurality of paths. For example, the distribution circuit 222 may distribute the source signal in as many paths as the number of patch antennas included in the antenna array 225 for power transmission.
  • the phase shifter / attenuator 223 may perform at least one of shifting (or delaying) a phase of each of the plurality of AC powers provided from the distribution circuit 222, or controlling amplitudes of each of the plurality of AC powers. have.
  • the number of phase shifters / attenuators 223 may be plural, for example, the number of patch antennas included in the power transmission antenna array 225.
  • the phase shifter / attenuator 223 may be implemented by the phase shifter alone, the attenuator alone, or may include both the phase shifter and the attenuator.
  • Phase shifter / attenuator 223 may include, for example, a phase shifter such as HMC642 or HMC1113.
  • At least one of a phase shift degree or an amplitude control degree of each of the phase shifter / attenuator 223 may be controlled by the control circuit 202.
  • the control circuit 202 may determine the position of the electronic device 150, and the RF wave is reinforced by the position of the electronic device 150 (or the position of the power receiving circuit 259 of the electronic device 150).
  • At least one of the shifting of the phase of each of the plurality of AC powers, or the control of the amplitude may be performed so as to interfere, i.e., beam-form.
  • the amplifier circuit 224 can amplify each of the plurality of AC powers output from the phase shifter / attenuator 223.
  • Each of the plurality of patch antennas included in the power transmission antenna array 225 may generate sub-RF waves based on the received power.
  • the RF wave 270 in which the sub-RF wave is interfered may be converted into a current, a voltage, or a power by the power reception antenna 261 and output.
  • the power reception antenna 261 may include a plurality of patch antennas, and may generate current, voltage, or power of an AC waveform by using an RF wave 270 formed around the electromagnetic wave, that is, an electromagnetic wave, and the received power Can be named
  • the rectifier circuit 262 may rectify the received power into a DC waveform.
  • the converting circuit 263 may increase or decrease the voltage of the power of the DC waveform to a predetermined value and output the PMIC 255 or the charger 254.
  • the control circuit 202 may include information about a frequency, information about an RSSI, or a data transmission rate, which are used by the electronic device 150 based on a second type of communication, based on the first type of communication. You can check at least one of the information about.
  • the control circuit 202 may control at least one of the frequency of the source signal of the VCO 211 or the gain of the amplifying circuit 221 or 224 based on the identified information.
  • 3A is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave under a first transmission condition, that is, an initial transmission condition.
  • the transmission condition may include at least one of the frequency of the RF wave or the transmission strength.
  • the apparatus 100 for transmitting power wirelessly already checks the position of the electronic device 150, and accordingly assumes that the beam-forming direction of the RF wave has already been confirmed.
  • the apparatus 100 for transmitting power wirelessly may control the VCO 211 to output a source signal of a first frequency, and an amplifier circuit (eg, an amplifier circuit 221 or 224) so that the RF wave has a first transmission strength. You can control the gain of)).
  • the transmission condition may be expressed by information of the output frequency of the VCO 211 and the gain of the amplifying circuit (eg, the amplifying circuit 221 or 224).
  • the apparatus 100 for transmitting power wirelessly may identify a location of the electronic device 150 in various ways as described above, and may perform RF as a first transmission condition based on the identified location of the electronic device 150. Waves can be formed.
  • the first frequency, or first transmission strength may be preset.
  • the first frequency or the first transmission strength may be set based on various information checked by the apparatus 100 for transmitting power wirelessly.
  • the wireless power transmitter 100 may determine the first transmission condition based on the distance between the wireless power transmitter 100 and the electronic device 150.
  • the wireless power transmitter 100 may transmit a first transmission condition based on a state of the electronic device 150 (for example, a state of charge of the battery) or information (for example, battery capacity information) of the electronic device 150. Can be determined.
  • the wireless power transmission apparatus 100 may form a communication connection with the electronic device 150 according to the first scheme.
  • the wireless power transmitter 100 may establish a BLE connection with the electronic device 150 and transmit a communication signal through the formed BLE link.
  • Can send and receive For example, the wireless power transmitter 100 may perform a series of procedures for joining the electronic device 150 to a wireless power network managed by the wireless power transmitter 150 through a BLE connection.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device (eg, an AP) based on the second communication method.
  • the second communication scheme may be, for example, Wi-fi communication.
  • the information about the communication environment may include information on frequency (or channel information) according to the second communication method, information about the RSSI according to the second communication method, or a data transmission rate according to the second communication method. It may include at least one of information about.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the electronic device 150 may insert information associated with Wi-fi communication into a communication signal based on the BLE scheme and transmit the same.
  • An example of a data frame of a communication signal will be described later in more detail with reference to FIGS. 7A and 7B.
  • the apparatus 100 for transmitting power wirelessly may check information on a communication environment according to the second communication method of the electronic device 150 based on the first communication method.
  • the apparatus 100 for transmitting power may change the transmission condition of the RF wave from the first transmission condition to the second transmission condition based on the received information about the communication environment according to the second communication scheme.
  • the wireless power transmitter 100 may change the input voltage of the VCO 211 to change the transmission frequency of the RF wave from the first frequency to the second frequency.
  • the wireless power transmitter 100 may change the gain of the amplifying circuit (for example, the amplifying circuit 221 or 224) so as to change the transmission intensity of the RF wave from the first intensity to the second intensity.
  • the apparatus 100 for transmitting power wirelessly may simultaneously change a frequency and change a transmission strength.
  • the apparatus 100 for transmitting power wirelessly may sequentially change a frequency and a change in transmission strength.
  • the apparatus 100 for transmitting power wirelessly may be set to change a frequency of an RF wave first and then change a transmission intensity.
  • the apparatus 100 for transmitting power wirelessly may continue to receive information on a communication environment according to the second communication method from the electronic device 150 based on the first communication method, and may change the transmission strength according to the corresponding information. .
  • 3B is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the electronic device 150 may form a communication connection with the wireless power transmission device 100 based on the first communication scheme in order to request the wireless power transmission.
  • the electronic device 150 transmits various communication signals to the wireless power transmitter 100 in order to request the wireless power transmission to the wireless power transmitter 100 or to join the wireless power network managed by the wireless power transmitter 100. ) Can be sent.
  • the electronic device 150 may insert information about a communication environment according to the second communication scheme into at least one of the aforementioned various communication signals and transmit the information to the wireless power transmitter 100.
  • the electronic device 150 may transmit information on the communication environment according to the second communication method to a signal for forming a communication connection (eg, an advertisement signal of the BLE communication method) even before the subscription process. You can also insert and send.
  • the apparatus 100 for transmitting power wirelessly may determine a transmission condition of an RF wave based on information on a communication environment according to the received second communication scheme. That is, the apparatus 100 for transmitting power wirelessly may determine an initial transmission condition of an RF wave based on information on a communication environment according to the received second communication scheme. In operation 317, the wireless power transmission apparatus 100 may form an RF wave based on the determined transmission condition.
  • FIG. 4 is a flowchart illustrating a method of operating a wireless power transmitter according to various embodiments of the present disclosure. The embodiment of FIG. 4 will be described in more detail with reference to FIG. 5. 5 illustrates an example of frequency hopping in accordance with various embodiments.
  • the wireless power transmission apparatus 100 may receive information about a communication environment according to the second communication scheme from the electronic device 150 based on the first communication scheme.
  • the apparatus 100 for transmitting power wirelessly transmits a frequency of a source signal for forming an RF wave or a transmission strength of an RF wave in response to a frequency of a second communication method among pieces of information on a communication environment according to a second communication method. At least one can be determined.
  • the wireless power transmitter 100 may receive information that a frequency according to the second communication scheme of the electronic device 150 is a third frequency while forming an RF wave at the first frequency.
  • the apparatus 100 for transmitting power wirelessly may determine whether a difference between a first frequency and a third frequency is less than a threshold. If it is determined that the difference between the first frequency and the third frequency is greater than or equal to the threshold, the wireless power transmitter 100 may form an RF wave at the first frequency currently in use. If it is determined that the difference between the first frequency and the third frequency is less than the threshold, the wireless power transmitter 100 may change the frequency of the RF wave from the first frequency to the second frequency.
  • the apparatus 100 for transmitting power wirelessly may identify a second frequency having a difference equal to a third frequency by a threshold.
  • the wireless power transmission apparatus 100 may directly determine the frequency of the RF wave without calculating a difference based on the third frequency of the second communication scheme used by the electronic device 150.
  • the apparatus 100 for transmitting power wirelessly may determine a second frequency that is a value added to or subtracted from a third frequency.
  • the apparatus 100 for transmitting power wirelessly may directly perform the calculation of the difference or the operation of adding or subtracting a threshold value, or based on a pre-stored selection rule (eg, a lookup table). A second frequency determination operation based on three frequencies may be performed.
  • the threshold may vary according to various factors.
  • the threshold value may include various factors such as a distance between the wireless power transmitter 100 and the electronic device 150, the direction of the electronic device 150, the type of electronic device 150 that receives power, and the setting. It may be set separately.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave at a first frequency f0 501, and set the first frequency f0 501 as an initial condition. Can be.
  • the apparatus 100 for transmitting power wirelessly may receive information indicating that the electronic device 150 uses the seventh channel 517 among the channels 511 to 517 of the plurality of Wi-fi.
  • the electronic device 150 may determine that the difference 521 between the first frequency f0 501 and the seventh channel 517 is less than a threshold value, and thus, the frequency of the RF wave is changed to the second frequency f0 + ⁇ f1. ) 502 or a third frequency (f0- ⁇ f2) 503.
  • the apparatus 100 for transmitting power wirelessly may determine that the difference 522 between the first frequency f0 501 and the first channel 511 is greater than or equal to a threshold value, and accordingly, the first frequency of the RF wave. (f0) 501 may be maintained. Meanwhile, in another embodiment, the apparatus 100 for transmitting power wirelessly may directly determine a change frequency of an RF wave without calculating a difference between a current frequency and a use frequency of the electronic device 150.
  • the wireless power transmitter 100 may transmit a third frequency f0- ⁇ f2 set corresponding to the seventh channel 517. (503).
  • the wireless power transmitter 100 may set a second frequency f0 + ⁇ f1 corresponding to the first channel 511. (502) may be confirmed.
  • the apparatus 100 for transmitting power wirelessly may store, for example, association information corresponding to a frequency of an RF wave for each channel of a second communication method, and determine the frequency of the RF wave based on the association information. Meanwhile, in FIG.
  • the wireless power transmitter 100 forms an RF wave at a first frequency f0 501 and then uses another frequency (for example, a second frequency f0 + ⁇ f1) 502 or a third frequency. (f0- ⁇ f2) 503), but this is merely illustrative.
  • the apparatus 100 for transmitting power wirelessly may receive information about a channel being used by the electronic device 150 and determine an initial frequency of the RF wave before forming the RF wave. .
  • the apparatus 100 for transmitting power wirelessly may form an RF wave having a frequency having a difference greater than or equal to a frequency according to the second communication method of the electronic device 150 from a time point at which the first RF wave is formed. .
  • the apparatus 100 for transmitting power wirelessly adjusts a transmission strength of an RF wave in response to a frequency of a second communication method among information on a communication environment of the electronic device 150 according to a second communication method. It may be. For example, when the difference between the transmission frequency of the wireless power transmission device 100 and the frequency of the second communication scheme of the electronic device 150 is less than the threshold, the wireless power transmission device 100 determines the transmission strength of the RF wave. You can decide to decrease.
  • the apparatus 100 for transmitting power wirelessly may control a power source to generate a source signal having a determined frequency.
  • the apparatus 100 for transmitting power wirelessly may control at least one amplifier to form an RF wave having the determined transmission strength.
  • the apparatus 100 for transmitting power wirelessly may perform one of frequency adjustment, transmission intensity adjustment, or may simultaneously perform frequency adjustment and transmission intensity adjustment. Alternatively, the wireless power transmitter 100 may sequentially perform frequency adjustment and transmission intensity adjustment, and the order of execution is not limited.
  • FIG. 6 is a flowchart illustrating a method of operating a wireless power transmitter according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may receive information about a communication environment according to the second communication method from the electronic device based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly corresponds to a data transmission rate and a reception strength information of a communication signal according to a second communication method among information on a communication environment according to a second communication method. At least one of a frequency of a source signal for wave formation or a transmission intensity of an RF wave may be determined.
  • the apparatus 100 for transmitting power wirelessly may store association information about a transmission strength of an RF wave according to a data transmission rate for each RSSI of a second communication signal as shown in Table 1 below.
  • RSSI of Second Communication Signal Data transmission rate of the second communication method RF Wave Transmission Strength Adjustment RSSI_1 Data throughput_1 ⁇ T1 Data throughput_2 ⁇ T2 Data throughput_3 ⁇ T3 Data throughput_4 ⁇ T4 RSSI_2 Data throughput_1 ⁇ T5 Data throughput_2 ⁇ T6 Data throughput_3 ⁇ T7 Data throughput_4 ⁇ T8
  • the apparatus 100 for transmitting power wirelessly may receive the RSSI of the communication signal of the second communication method and the data transmission rate of the second communication method from the electronic device 150 through the first communication method.
  • the apparatus 100 for transmitting power wirelessly may check the degree of adjustment of the transmission intensity of the RF wave by comparing the received information with the related information as shown in Table 1 below.
  • the degree of adjustment of the RF wave may be different according to the RSSI of the communication signal of the second communication method even at the data transmission rate of the same second communication method.
  • the apparatus 100 for transmitting power wirelessly may control a power source to generate a source signal having a determined frequency.
  • the apparatus 100 for transmitting power wirelessly may control at least one amplifier to form an RF wave having the determined transmission strength.
  • the apparatus 100 for transmitting power wirelessly may perform any one of operations 605 and 607. Alternatively, the apparatus 100 for transmitting power wirelessly may simultaneously perform operations 605 and 607. Alternatively, the apparatus 100 for transmitting power wirelessly may perform operations 605 and 607 sequentially, and the order of execution is not limited.
  • the apparatus 100 for transmitting power wirelessly may store association information on the degree of adjustment of the transmission intensity of the RSSI and the RF wave of the communication signal of the second scheme.
  • the wireless power transmitter 100 may receive information on the RSSI of the communication signal of the second communication method of the electronic device 150 from the electronic device 150 based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may adjust the transmission strength of an RF wave based on the stored association information and the received information.
  • the apparatus 100 for transmitting power wirelessly may store association information on the data transmission rate of the second communication method and the degree of adjustment of the transmission intensity of the RF wave.
  • the wireless power transmitter 100 may receive information about the data transmission rate of the second communication method of the electronic device 150 from the electronic device 150 based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may adjust the transmission strength of an RF wave based on the stored association information and the received information.
  • the apparatus 100 for transmitting power wirelessly may store association information about the RF wave transmission strength itself, rather than the degree of adjustment of the transmission strength of the RF wave according to the various conditions described above, and based on the corresponding association information. It is also possible to determine the transmission strength of the RF wave.
  • the apparatus 100 for transmitting power wirelessly does not adjust the RF wave transmission strength based on the association information, and adjusts the RF wave transmission strength until the information received from the electronic device 150 satisfies a specified condition. It can also work in a way that adjusts.
  • the apparatus 100 for transmitting power wirelessly may store association information as shown in Table 2 below.
  • RSSI of Second Communication Signal Minimum value of data transmission speed of appropriate second communication system RSSI_1 Data throughput_1 RSSI_2 Data throughput_2
  • the wireless power transmission apparatus 100 may receive, from the electronic device 150, information on the RSSI of the communication signal of the second communication method and the data transmission rate of the second communication method based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may determine whether the received data transmission rate of the second communication method is greater than or equal to the minimum value of the data transmission rate of the appropriate second communication method according to the related information. If the received data transmission rate of the second communication method is found to be equal to or greater than the minimum value of the data transmission rate of the appropriate second communication method identified in correspondence with the RSSI, the wireless power transmitter 100 determines the transmission strength of the current RF wave. I can keep it.
  • the wireless power transmitter 100 transmits an RF wave. It is possible to reduce the transmission strength of by a specified size.
  • the apparatus 100 for transmitting power wirelessly subsequently receives information about the RSSI of the communication signal according to the second communication scheme and the data transmission rate of the second communication scheme from the electronic device 150 based on the first communication scheme. Can be.
  • the apparatus 100 for transmitting power wirelessly may reduce the transmission strength of the RF wave until the data transmission rate of the electronic device 150 is equal to or greater than the minimum value of the data transmission rate of the appropriate second communication method.
  • the wireless power transmission apparatus 100 may store the threshold value of the RSSI of the communication signal of the second communication method, or the threshold value of the data transmission rate of the second communication method. have.
  • the apparatus 100 for transmitting power wirelessly may reduce the transmission strength of the RF wave until the RSSI of the communication signal of the second communication method received based on the first communication method is equal to or greater than a threshold value of the RSSI.
  • the apparatus 100 for transmitting power wirelessly may reduce the transmission strength of the RF wave until the data transmission rate of the second communication scheme received based on the first communication scheme is equal to or greater than a threshold of the data transmission rate. .
  • FIG. 7A and 7B illustrate data formats of communication signals according to various embodiments.
  • the electronic device 150 may periodically or aperiodically transmit a communication signal having the first data format 700 as illustrated in FIG. 7A to the wireless power transmitter 100. . According to various embodiments, the electronic device 150 may transmit a communication signal having the first data format 700 after receiving power from the wireless power transmitter 100.
  • the first data format 700 may be supported according to, for example, a BLE communication scheme, but there is no limitation on the type of communication scheme supported.
  • the first data format 700 includes a voltage related information field 701, a current related information field 702, a warning information field 703, a field 704 indicating whether to support Wi-fi related information, and Wi-fi. It may include a related information field 705.
  • a voltage value at a predetermined point of the electronic device 150 (eg, at least one of an input terminal of the rectifier circuit or an output terminal of the rectifier circuit) may be described.
  • a current value at a predetermined point of the electronic device 150 (eg, at least one of an input terminal of the rectifier circuit or an output terminal of the rectifier circuit) may be described.
  • the apparatus 100 for transmitting power wirelessly may determine the magnitude of power received by the electronic device 150 based on a value described in the voltage related information field 701 or the current related information field 702, and may use the same. You can also adjust the strength of the RF wave.
  • Information about an event occurring in the electronic device 150 may be described in the warning information field 703, and the wireless power transmission device 100 may stop wireless charging according to the information described in the warning field 703.
  • a value indicating whether the electronic device 150 supports other communication method related information may be, for example, in the form of a flag. It may be described.
  • the Wi-fi related information field 705 for example, information about a Wi-fi frequency (or channel information) that the electronic device 150 is using, information about RSSI of a communication signal according to Wi-fi Or at least one information of a data transmission rate according to Wi-fi.
  • the wireless power transmitter 100 may receive Wi-fi related information of the electronic device 150 based on BLE, and as described above, a frequency of an RF wave transmitted based on Wi-fi related information, Alternatively, at least one of the transmission strengths may be adjusted.
  • the electronic device 150 may transmit a communication signal having the second data format 710 as shown in FIG. 7B according to, for example, a broadcasting scheme.
  • the second data format 710 may be, for example, a data format of an advertisement signal according to BLE communication.
  • the WPT service 16-bit UUID field 711 for example, identification information of a wireless charging related service may be described.
  • the GATT primary service handle field 712 may include, for example, attribute handles for various supporting services. The handles may be defined to be numbered in order, for example, from the GATT primary service handle.
  • a handle value may be defined for an information providing service of another communication method (for example, Wi-Fi) that the electronic device 150 uses, and information associated with a communication method different from the defined value may be defined in the corresponding field ( 712 may be included.
  • the RSSI parameter field 713 may describe information on the transmission strength of the advertisement signal.
  • the ADV flag field 714 may include information such as impedance shift, reboot, OVL status, time set support, presence pulse related information, beacon extension request, and the like defined in the AFA standard.
  • the field containing information associated with other communication methods eg, Wi-fi
  • the apparatus 100 for transmitting power wirelessly may determine a transmission condition of an initial RF wave based on information associated with another communication scheme (eg, Wi-fi) received from the electronic device 150. Meanwhile, in various embodiments, the apparatus 100 for transmitting power wirelessly may receive a communication signal of the second data format 710 to determine a transmission condition of an initial RF wave, and after charging starts, the first data format 700 may be used. The transmission condition of the RF wave may be adjusted by receiving a communication signal.
  • another communication scheme eg, Wi-fi
  • FIG. 8 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may form an RF wave under a first transmission condition.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may check information about a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the information about the communication environment may include, for example, at least one of information on frequency, information on RSSI, or information on data transmission rate.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method. For example, the electronic device 150 inserts information on a communication environment according to the second communication method into at least some of the data formats supported by the first communication method, and transmits a communication signal having the corresponding data format.
  • the wireless power transmitter 100 may transmit the data.
  • the apparatus 100 for transmitting power wirelessly transmits a frequency of a source signal for forming an RF wave or a transmission strength of an RF wave in response to a frequency of a second communication method among information on a communication environment according to a second communication method. At least one can be determined.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave based on at least one of the determined frequency and the transmission strength.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may determine whether data transmission speed and reception strength information of a communication signal according to the second communication scheme satisfy a specified condition.
  • the apparatus 100 for transmitting power wirelessly may store in advance information on a minimum value of an appropriate data transmission rate for each reception intensity information of a communication signal according to a second communication method, and the received data transmission rate may be appropriate for data transmission. You can check whether it is greater than the information about the minimum value of the speed. If it is determined that the specified condition is not satisfied, in operation 815, the apparatus 100 for transmitting power wirelessly may change at least one of a frequency of a source signal or a transmission strength of an RF wave. The apparatus 100 for transmitting power wirelessly may change at least one of a frequency of a source signal or a transmission intensity of an RF wave based on an adjustment degree corresponding to information received through communication, or a numerical value corresponding to information received through communication. Can be.
  • the apparatus 100 for transmitting power wirelessly may change at least one of a frequency of a source signal or a transmission strength of an RF wave based on a numerical value set irrespective of information received through communication.
  • the apparatus 100 for transmitting power wirelessly may receive a communication signal of the first scheme from the electronic device 150 and may repeatedly check whether a specified condition is satisfied. If it is determined that the specified condition is satisfied, in operation 817, the wireless power transmitter 100 may form an RF wave according to the changed transmission condition.
  • the wireless power transmitter 100 may receive a first communication signal from the electronic device 150 from the electronic device 150 even after operation 817. If it is determined that the designated condition is not satisfied, the wireless power transmitter 100 may change the transmission condition of the RF wave.
  • 9A is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may form an RF wave under a first transmission condition.
  • the apparatus 100 for transmitting power wirelessly is based on, for example, an RF wave based on various information such as the location of the electronic device 150 with respect to the apparatus 100 for transmitting power and information on the state of the electronic device 150.
  • the initial transmission condition of may be determined.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave 900 with a transmission strength of A.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the electronic device 150 may transmit a communication signal including information about the communication environment according to the second communication scheme to the wireless power transmitter 100 based on the first communication scheme.
  • the apparatus 100 for transmitting power wirelessly may change a transmission frequency of an RF wave based on information about a communication environment according to the received second communication scheme. For example, the apparatus 100 for transmitting power wirelessly may set a transmission frequency of an RF wave so as to have a difference greater than a specified threshold and a frequency of the received second communication scheme. In this case, the apparatus 100 for transmitting power wirelessly may form an RF wave 901 having a frequency changed while having a transmission strength of A.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may reduce transmission strength of an RF wave based on information about a communication environment according to the received second communication scheme. For example, the apparatus 100 for transmitting power wirelessly may determine that information on a communication environment according to the second communication method does not satisfy a specified condition, and correspondingly, may reduce a transmission strength of an RF wave.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave 902 having a size of B.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may increase the transmission strength of the RF wave based on the information about the communication environment according to the received second communication scheme.
  • the apparatus 100 for transmitting power wirelessly may increase the transmission strength of the RF wave when it is determined that the information on the communication environment according to the second communication scheme satisfies a specified condition.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave 903 having a size of C.
  • the wireless power transmitter 100 may decrease the transmission strength of the RF wave again. .
  • the apparatus 100 for transmitting power wirelessly may be configured to specify information on a communication environment according to the received second communication scheme. If it is confirmed to satisfy, may be set to maintain the current transmission conditions.
  • 9B is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication scheme to the wireless power transmitter 100 based on the first communication scheme.
  • the electronic device 150 may transmit a communication signal including information on a communication environment according to the second communication scheme before receiving the RF wave from the wireless power transmitter 100.
  • the electronic device 150 may be connected to a communication signal used to establish a communication connection with the wireless power transmitter 100 or a power network managed by the wireless power transmitter 100.
  • information on the communication environment according to the second communication scheme may be included and transmitted.
  • the apparatus 100 for transmitting power may determine a transmission condition of an RF wave based on information about a communication environment according to the received second communication scheme.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave based on the determined transmission condition, and may, for example, form an RF wave 930 having a transmission strength of A.
  • the wireless power transmitter 100 may control the power source so that the frequency of the RF wave 930 to be formed has a difference between the frequency of the second communication method used by the electronic device 150 and the specified threshold or more. Can be.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may reduce the transmission strength of the RF wave based on the information about the communication environment according to the received second communication scheme.
  • the apparatus 100 for transmitting power wirelessly may reduce the transmission strength of the RF wave as it determines that the information on the communication environment according to the received second communication method does not satisfy a specified condition.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave 931 having a transmission strength of B.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may increase the transmission strength of the RF wave based on the information about the communication environment according to the received second communication scheme.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave 932 having a transmission strength of C, for example. If it is determined that the information on the communication environment according to the second communication method does not satisfy the specified condition through the received communication signal, the wireless power transmitter 100 may decrease the transmission strength of the RF wave again. .
  • the apparatus 100 for transmitting power wirelessly may be configured to specify information on a communication environment according to the received second communication scheme. If it is confirmed to satisfy, may be set to maintain the current transmission conditions.
  • FIG. 10 is a flowchart illustrating a method of operating a wireless power transmitter, an electronic device, and a server, according to various embodiments.
  • the server 1000 may generate a transmission condition selection model of an RF wave for a communication environment according to the second communication scheme, based on the obtained database.
  • the server 1000 may include a communication module capable of communicating with at least one of the wireless power transmitter 100 or the electronic device 150, and a processor capable of generating a transmission condition selection model of an RF wave. , And a memory capable of storing the obtained database.
  • the server 1000 may receive, from the wireless power transmitter 100 or another wireless power transmitter, information on a transmission condition of an RF wave and a communication environment according to a second communication method of the electronic device 150. have.
  • the apparatus 100 for transmitting power wirelessly may determine a training condition selection model of an RF wave trained using information on a transmission condition of an RF wave and a communication environment according to a second communication method of the electronic device 150. Can be generated.
  • the transmission condition selection model of the RF wave may be a rule-based model or an artificial intelligence model trained according to at least one of machine learning, neural networks, or deep learning algorithms.
  • the server 1000 may transmit the selection model to the wireless power transmitter 100.
  • the selection model may include, for example, at least one factor of the communication environment according to the second communication scheme (eg, frequency of the second communication scheme, RSSI of the communication signal according to the second communication scheme, or data transmission rate of the second communication scheme).
  • at least one of a transmission condition eg, at least one of a transmission frequency of the RF wave or a transmission intensity of the RF wave
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may determine a transmission condition of an RF wave based on a selection model and information on a communication environment according to the received second communication scheme.
  • the apparatus 100 for transmitting power wirelessly may input information about a communication environment according to the second communication method of the received electronic device 150 as an input value of the selection model.
  • the wireless power transmitter 100 may check the transmission condition of the RF wave which is an output value of the selection model.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave based on the determined transmission condition.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may check information about a communication environment according to the changed second communication method.
  • the apparatus 100 for transmitting power wirelessly may transmit information about a communication condition according to a transmission condition of an RF wave and a changed second communication scheme to the server 1000.
  • the server 1000 may update the model based on the received information.
  • the server 1000 may transmit the updated model to the wireless power transmitter 100.
  • the server 1000 may receive a database from the wireless power transmitter 100 as well as another wireless power transmitter, and may update based on the database.
  • the server 1000 may be configured such as a relative position of the electronic device 150 based on the wireless power transmitter 100, state information of the electronic device 150, a model of the electronic device 150, and the like. You can also manage selection models by information.
  • the wireless power transmitter 100 transmits information such as the determined relative position, the state information of the electronic device 150, the model of the electronic device 150, and the like to the server 1000, and provides a corresponding selection model. May be received.
  • the wireless power transmitter 100 may transmit information about the communication environment of the second communication method received from the electronic device 150 to the server 1000, and the server 1000 may receive the received second communication.
  • the RF wave transmission condition corresponding to the information about the communication environment of the scheme may be transmitted to the wireless power transmitter 100.
  • FIG. 11 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may form an RF wave under a first transmission condition.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may change a transmission frequency of an RF wave based on information on a communication environment according to the received second communication scheme.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may determine that the RSSI and the data transmission rate of the second communication method of the electronic device 150 do not satisfy a specified condition.
  • the wireless power transmitter 100 may transmit a signal to the electronic device 150 requesting a change in the communication condition of the second communication method.
  • the electronic device 150 may change a communication condition of the second communication method. For example, the electronic device 150 may transmit and receive a communication signal with the AP to change the operating frequency.
  • FIG. 12 is a flowchart illustrating a method of operating a wireless power transmitter, an electronic device, and an AP according to various embodiments of the present disclosure.
  • the apparatus 100 may establish a communication connection based on a second communication scheme.
  • the apparatus 100 for transmitting power wirelessly may include a first method communication module capable of communicating with the electronic device 150 and a second method communication module capable of communicating with the AP 1200. It may be.
  • the apparatus 100 for transmitting power wirelessly may determine a frequency range for forming an RF wave.
  • the apparatus 100 for transmitting power wirelessly may transmit the determined frequency range to the AP 1200.
  • the AP 1200 may identify an RF wave formable frequency range and a frequency range for the second communication scheme.
  • the AP 1200 may determine an RF wave formable frequency range so that interference between the RF wave and the communication signal of the second communication method may be minimized, and correspondingly, may also determine a frequency range for the second communication method.
  • the AP 1200 may transmit an RF wave formable frequency range to the wireless power transmitter 100.
  • the AP 1200 may form a communication connection based on a frequency within a frequency range for the second communication scheme.
  • the wireless power transmitter 100 may form a communication connection based on the first communication scheme.
  • the apparatus 100 for transmitting power wirelessly may form an RF wave based on a frequency within a received RF wave formable frequency range. Accordingly, interference between the RF wave and the communication signal of the second communication scheme can be minimized.
  • the AP 1200 is shown as determining the transmission frequency range of the RF wave, the frequency range for the second communication scheme, but this is merely exemplary.
  • the wireless power transmitter 100 may determine a transmission frequency range of an RF wave, a frequency range for a second communication scheme, and transmit a frequency range for the second communication scheme to the AP 1200. It may be.
  • the wireless power transmitter 100 may perform communication through the relay of the electronic device 150.
  • the electronic device 150 may be configured to perform transcoding between the communication signal of the first communication method and the communication signal of the second communication method.
  • FIG. 13 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure. The embodiment of FIG. 13 will be described in more detail with reference to FIG. 14. 14 illustrates an electronic device according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may form an RF wave under a first transmission condition.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may check information on a communication environment according to the second communication method while communicating with another electronic device based on the second communication method.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method, based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may change a transmission frequency of an RF wave based on information about a communication environment according to the received second communication scheme.
  • the wireless power transmitter 100 may transmit the frequency change completion information of the RF wave to the electronic device 150.
  • the electronic device 150 may determine that the RSSI and the data transmission rate do not satisfy the specified condition.
  • the electronic device 150 may provide a UI for selecting priority among wireless charging and the second communication scheme. For example, as shown in FIG. 14, the electronic device 150 may display a UI 1400 for priority selection.
  • the UI 1400 for priority selection may include a message 1401 for selecting a priority, a wireless charging selection button 1402, or a second communication method (eg, Wi-fi) selection button 1403. .
  • the electronic device 150 may determine whether wireless charging is selected to have priority. For example, the electronic device 150 may determine whether the wireless charging selection button 1402 of the UI 1400 is selected or the second communication method selection button 1403 is selected. If it is determined that the second communication scheme is selected to have a priority, in operation 1319, the electronic device 150 may request to decrease the transmission strength of the RF wave. Upon receiving the request for reducing the transmission strength of the RF wave, the wireless power transmission apparatus 100 may reduce the transmission strength of the RF wave in operation 1321. When it is determined that the wireless charging is selected to have priority, the electronic device 150 may change the channel of the second communication scheme or perform communication according to the current channel in operation 1323.
  • 15 is a flowchart illustrating a method of operating a wireless power transmitter according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may receive information about a communication environment according to the second communication method from the electronic device 150 based on the first communication method.
  • the apparatus 100 for transmitting power wirelessly may determine a transmission path of an RF wave in response to a frequency of the second communication method among information on the communication environment according to the second communication method.
  • the apparatus 100 for transmitting power wirelessly may store association information between information on a communication environment according to a second communication method and a transmission path of an RF wave.
  • the apparatus 100 for transmitting power wirelessly may determine a transmission path of an RF wave based on the stored association information.
  • the wireless power transmission apparatus 100 may control each of the plurality of phase shifters to form an RF wave according to the determined transmission path.
  • 16 is a block diagram of an external electronic device and an electronic device according to various embodiments of the present disclosure.
  • an external electronic device 1600 may include a wireless power transmitter 1610 and an AP 1620.
  • the wireless power transmitter 1610 may include at least some of the components included in the wireless power transmitter 100 of FIG. 2A.
  • the AP 1620 may transmit / receive a communication signal 1631 with the electronic device 150 based on a second communication method (for example, Wi-fi communication method).
  • the wireless power transmitter 1610 and the AP 1620 may be implemented as one external electronic device 1600.
  • the wireless power transmitter 1610 and the AP 1620 may be included in the housing, and may be connected by wire to transmit and receive data.
  • the wireless power transmission device 1601 and the AP 1620 are not disposed in one housing, but may be implemented by wired connection to transmit and receive data.
  • the wireless power transmitter 1610 may include, for example, a communication circuit based on a first communication scheme (eg, a Bluetooth communication circuit), and the communication signal 1632 based on the first communication scheme with the electronic device 150. You can also send and receive.
  • a communication circuit based on the first communication scheme may not be included in the wireless power transmitter 1610, in which case the wireless power transmitter 1610 may be based on information received through the AP 1620. May control power transmission.
  • the wireless power transmitter 1610 may form an RF wave 1640, and the electronic device 150 may convert the formed RF wave 1640 into electrical energy.
  • the external electronic device 1600 may perform wireless charging by simultaneously forming an RF wave 1640 while communicating with the electronic device 150 based on the second communication method. It may be.
  • 17A is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • the external electronic device 1600 may form an RF wave under a first transmission condition.
  • the external electronic device 1600 may form an RF wave under a first transmission condition by using the wireless power transmitter 1610 included therein.
  • the wireless power transmitter 1610 may identify the location of the electronic device 150, for example, and form an RF wave based on the first transmission condition.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the external electronic device 1600 may check information about a communication environment according to the second communication method.
  • the external electronic device 1600 may check the information on the communication environment according to the second communication method by using the AP 1620 including.
  • the AP 1620 may check information on a communication environment according to the second communication method, based on the communication signal received from the electronic device 150.
  • the external electronic device 1600 transmits a frequency or RF wave of a source signal for forming an RF wave in response to the reception intensity information of the communication signal received from the electronic device 1500 and the data transmission rate according to the second communication method. At least one of the intensities can be determined. Since the process of changing the transmission condition of the RF wave based on the received communication signal has been described in detail above, further description thereof will be omitted.
  • the external electronic device 1600 may change the transmission condition of the RF wave from the first transmission condition to the second transmission condition based on the information on the communication environment according to the second communication method.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the external electronic device 1600 may change a communication condition (eg, a communication frequency or a communication channel) of the AP 1620 based on the information about the communication environment according to the second communication method. For example, the external electronic device 1600 may change the communication frequency (or communication channel) of the AP 1620 such that a difference between the frequency of the RF wave and the communication frequency of the AP 1620 is equal to or greater than a specified value. .
  • a communication condition eg, a communication frequency or a communication channel
  • 17B is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • the external electronic device 1600 may form an RF wave under the first transmission condition.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method. For example, as in operation 307 of FIG. 3A, the electronic device 150 may transmit a communication signal including information about a communication environment according to the second communication method.
  • the external electronic device 1600 may change the transmission condition of the RF wave from the first transmission condition to the second transmission condition based on the information on the communication environment according to the second communication scheme.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the external electronic device 1600 controls the AP 1620 based on the information on the communication environment according to the second communication method, thereby communicating a communication condition (eg, a communication frequency, Or communication channel).
  • a communication condition eg, a communication frequency, Or communication channel
  • the external electronic device 1600 may be included in an analysis result (eg, reception strength of the communication signal, data throughput) of the communication signal received according to the second communication method, and included in the communication signal according to the first communication method.
  • an analysis result eg, reception strength of the communication signal, data throughput
  • At least one of a transmission condition of an RF wave or a communication condition of a second communication method using all of information for example, a reception strength of a communication signal received by the electronic device 150 and data throughput measured by the electronic device 150. You can also adjust.
  • 17C is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • the external electronic device 1600 may form an RF wave under the first transmission condition.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the electronic device 150 may request a communication connection according to the second communication method. For example, the electronic device 150 may search for the AP 1620 included in the external electronic device 1600 and request a communication connection to the discovered AP 1620 based on automatic or user input. Can be.
  • the external electronic device 1600 may change the transmission condition of the RF wave from the first transmission condition to the second transmission condition based on at least one parameter associated with the second communication scheme.
  • the external electronic device 1600 may change the transmission condition of the RF wave from the first transmission condition to the second transmission condition based on the communication frequency of the second communication method.
  • the external electronic device 1600 may change the transmission frequency of the RF wave so that the transmission frequency of the RF wave has a difference equal to or greater than a specified value from the communication frequency of the second communication method.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the external electronic device 1600 may determine the parameter of the second communication scheme based on a transmission condition of an RF wave that is already being performed.
  • the external electronic device 1600 may determine, for example, the communication frequency (or communication channel) of the second communication method such that the transmission frequency of the RF wave is equal to or greater than a specified value of the communication frequency of the second communication method. .
  • 17D is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • the external electronic device 1600 and the electronic device 150 may establish a communication connection according to a second communication method to perform data transmission and reception.
  • the electronic device 150 may search for the AP 1620 included in the external electronic device 1600, and establish a communication connection with the discovered AP 1620 based on automatic or user selection. Can be formed.
  • the electronic device 150 may request wireless power transmission from the external electronic device 1600 or the wireless power transmission device 1610.
  • the electronic device 150 may request the wireless power transmission device 1610 to transmit wireless power based on the first communication scheme.
  • the electronic device 150 may request the wireless power transmission from the AP 1620 based on the second communication scheme.
  • the external electronic device 1600 may identify a transmission condition of the RF wave based on at least one parameter associated with the second communication scheme, and form an RF wave based on the confirmed transmission condition. For example, the external electronic device 1600 may determine the transmission frequency of the RF wave so that the communication frequency of the second communication method is different from the communication frequency. In operation 1737, the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the external electronic device 1600 may change a parameter of the second communication scheme based on a transmission condition of an RF wave that is already being performed.
  • the external electronic device 1600 may change the communication frequency (or communication channel) of the second communication method so that, for example, the transmission frequency of the RF wave is greater than or equal to a specified value of the communication frequency of the second communication method. .
  • FIG. 18 is a flowchart illustrating a method of operating a wireless power transmitter and an electronic device according to various embodiments of the present disclosure.
  • the wireless power transmitter 100 may transmit a beacon signal.
  • the wireless power transmitter 100 may transmit a beacon signal in various directions.
  • the apparatus 100 for transmitting power wirelessly may form a beacon signal, that is, an RF wave, based on a predetermined steering direction change rule. Accordingly, the electronic device 150 disposed near the wireless power transmitter 100 may receive a beacon signal.
  • the electronic device 150 may activate a communication circuit of a first communication method based on the received beacon.
  • the beacon signal is a communication circuit of the first method (for example, communication circuit 253 of the first method) in the electronic device 150 is turned on to transmit a predetermined communication signal (for example, advertisement signal).
  • a predetermined communication signal for example, advertisement signal.
  • the electronic device 150 may turn on the first type communication circuit 253 using power from the battery 257 in the electronic device 150.
  • the electronic device 150 may include a magnitude of power received by the power receiving circuit 259 (eg, at least one of the magnitude of the voltage or current of at least one of the rectifier input terminal or the output terminal, or the output terminal of the DC / DC converter).
  • the first method communication circuit 253 may be turned on. That is, the electronic device 150 may turn on the first type communication circuit 253 when the magnitude of the received power indicates the magnitude corresponding to the reception of the beacon signal.
  • the beacon signal may include specified information, and the electronic device 150 may receive the beacon signal and check the included specified information. The electronic device 150 may turn on the first type communication circuit 253 based on the confirmation of the designated information.
  • the electronic device 150 may transmit a communication signal through a communication circuit of a first communication method.
  • the wireless power transmitter 100 may detect the electronic device 150 based on the received communication signal.
  • the wireless power transmission apparatus 100 receives a designated communication signal (eg, an advertisement signal) within a preset time, and then detects that the electronic device 150 is detected. It can be confirmed that.
  • the wireless power transmitter 100 determines that a designated communication signal is received within a preset time after forming the beacon signal, and the strength of the received communication signal is greater than or equal to a threshold value, the electronic device 150 detects it. It can also be confirmed.
  • the wireless power transmitter 100 and the electronic device 150 may perform a procedure required for wireless power transmission.
  • the wireless power transmission apparatus 100 may form a communication connection (eg, a BLE connection) with the electronic device 150.
  • the wireless power transmitter 100 and the electronic device 150 may exchange communication signals including respective product information, and the wireless power transmitter 100 may wirelessly transmit the electronic device 150 through a corresponding process.
  • the power transmission apparatus 100 may subscribe to a power network managed by the power transmission apparatus 100.
  • the wireless power transmitter 100 may form an RF wave for charging.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • the wireless power transmitter 100 may transmit a beacon signal at a first beam width.
  • the first beam width may be set greater than the second beam width of the RF wave for later charging.
  • 19 is a flowchart illustrating a method of operating a wireless power transmitter, an electronic device, and an AP according to various embodiments of the present disclosure.
  • the AP 280 may establish a communication connection with the electronic device 150 based on the second communication scheme.
  • the AP 280 may transmit information indicating that the wireless power transmitter 100 exists to the electronic device 150.
  • the AP 280 may check information indicating that the wireless power transmitter 100 exists based on an external input at the time of installation or communication with the wireless power transmitter 100 later.
  • the AP 280 may transmit a communication signal including information indicating that the wireless power transmitter 100 exists to the electronic device 150.
  • the AP 280 may include information indicating that the wireless power transmitter 100 exists in various communication signals and transmit the information, and the AP 280 may include information indicating that the wireless power transmitter 100 exists. There is no limit to the kind.
  • the electronic device 150 may transmit a communication circuit of the first communication method (eg, a communication circuit of the first communication method) based on the information indicating that the received wireless power transmitter 100 exists.
  • the communication circuit 258 of the first communication method may be activated.
  • the electronic device 150 transmits a communication signal to the wireless power transmitter 100 through the communication circuit 258 of the first communication method.
  • the wireless power transmitter 100 may detect the electronic device 150 based on the received communication signal in operation 1909.
  • the wireless power transmitter 100 or the electronic device 150 may detect the electronic device 150. At least one of may perform a procedure required for wireless power transmission in operation 1911.
  • the wireless power transmission apparatus 100 may form an RF wave, and in operation 1915, the electronic device ( 150 may convert and use an RF wave into electrical energy.
  • 20 is a flowchart illustrating an external electronic device and an operating method of the electronic device according to various embodiments of the present disclosure.
  • the external electronic device 1600 and the electronic device 150 may form a communication connection based on the second communication scheme.
  • the external electronic device 1600 transmits information indicating that the wireless power transmission device exists, that is, information indicating that the external electronic device 1600 can perform wireless power transmission to the electronic device 150. can do.
  • the external electronic device 1600 may transmit a communication signal including information indicating that the wireless power transmitter exists to the electronic device 150 through the AP 1620 including the wireless power transmitter. There is no restriction
  • the electronic device 150 may activate a communication circuit of a first communication scheme based on information indicating that a wireless power transmission device exists.
  • the electronic device 150 may transmit a communication signal through a communication circuit of a first communication method.
  • the external electronic device 1600 may detect the electronic device 150 based on the received communication signal. At least one of the external electronic device 1600 or the electronic device 150 may perform a procedure required for wireless power transmission in operation 2011.
  • the external electronic device 1600 may form an RF wave.
  • the electronic device 150 may convert the RF wave into electrical energy and use it.
  • Various embodiments of this document may include software (eg, a program) that includes instructions stored on a machine-readable storage medium (eg, internal memory or external memory) that can be read by a machine (eg, a computer). It can be implemented as.
  • the device is a device capable of calling a stored command from a storage medium and operating according to the called command, wherein the device includes at least one of an electronic device (eg, the wireless power transmitter 100 or the electronic device 150) according to the disclosed embodiments.
  • the instruction is executed by a processor (eg, at least one of the control circuit 202, or the control circuit 252), the processor may function directly or in response to the instruction using other components under the control of the processor. Can be performed.
  • the instructions can include code generated or executed by a compiler or interpreter.
  • the device-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-temporary' means that the storage medium does not include a signal and is tangible, and does not distinguish that data is stored semi-permanently or temporarily on the storage medium.
  • a method may be provided included in a computer program product.
  • the computer program product may be traded between the seller and the buyer as a product.
  • the computer program product may be distributed online in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)) or through an application store (eg Play StoreTM).
  • a device-readable storage medium eg compact disc read only memory (CD-ROM)
  • an application store eg Play StoreTM
  • at least a portion of the computer program product may be stored at least temporarily on a storage medium such as a server of a manufacturer, a server of an application store, or a relay server, or may be temporarily created.
  • Each component eg, a module or a program
  • some components eg, modules or programs
  • operations performed by a module, program, or other component may be executed sequentially, in parallel, repeatedly, or heuristically, or at least some of the operations may be executed in a different order, omitted, or another operation may be added. Can be.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Selon divers modes de réalisation de la présente invention, un dispositif de transmission d'énergie sans fil comprend : un circuit de communication de premier schéma ; une source d'alimentation destinée à générer un signal source ; un circuit de transmission d'énergie destiné à former une onde RF sur la base du signal source ; et un circuit de commande, le circuit de commande pouvant être configuré pour recevoir, à partir d'un dispositif électronique prenant en charge une communication de premier schéma et une communication de second schéma, un signal de communication comprenant des informations sur un environnement de communication selon la communication de second schéma par l'intermédiaire du circuit de communication de premier schéma, et pour commander, sur la base des informations sur l'environnement de communication selon la communication de second schéma, la fréquence du signal source généré par la source d'alimentation et/ou l'intensité de transmission de l'onde RF. Divers autres modes de réalisation sont possibles.
PCT/KR2018/016556 2018-04-27 2018-12-24 Dispositif de transmission d'énergie sans fil, et dispositif électronique destiné à la réception d'énergie sans fil et procédé de fonctionnement associé Ceased WO2019208902A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880092817.2A CN112106275B (zh) 2018-04-27 2018-12-24 无线电力传输设备、用于无线地接收电力的电子设备、及其操作方法
US16/969,091 US11355970B2 (en) 2018-04-27 2018-12-24 Wireless power transmission device, and electronic device for wirelessly receiving power and operating method therefor
EP18916499.9A EP3742580B1 (fr) 2018-04-27 2018-12-24 Dispositif de transmission d'énergie sans fil, et dispositif électronique destiné à la réception d'énergie sans fil et procédé de fonctionnement associé

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20180049112 2018-04-27
KR10-2018-0049112 2018-04-27
KR10-2018-0158902 2018-12-11
KR1020180158902A KR102607364B1 (ko) 2018-04-27 2018-12-11 무선 전력 송신 장치 및 전력을 무선으로 수신하는 전자 장치와 그 동작 방법

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